28244920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{2791}}^1$

素因数の和:2836

約数の個数: 64

約数和(自身を含む): 72368640

約数和(自身を除く): 44123720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 23, 40, 44, 46, 55, 88, 92, 110, 115, 184, 220, 230, 253, 440, 460, 506, 920, 1012, 1265, 2024, 2530, 2791, 5060, 5582, 10120, 11164, 13955, 22328, 27910, 30701, 55820, 61402, 64193, 111640, 122804, 128386, 153505, 245608, 256772, 307010, 320965, 513544, 614020, 641930, 706123, 1228040, 1283860, 1412246, 2567720, 2824492, 3530615, 5648984, 7061230, 14122460, 28244920]

約数ペア:

[(1, 28244920), (2, 14122460), (4, 7061230), (5, 5648984), (8, 3530615), (10, 2824492), (11, 2567720), (20, 1412246), (22, 1283860), (23, 1228040), (40, 706123), (44, 641930), (46, 614020), (55, 513544), (88, 320965), (92, 307010), (110, 256772), (115, 245608), (184, 153505), (220, 128386), (230, 122804), (253, 111640), (440, 64193), (460, 61402), (506, 55820), (920, 30701), (1012, 27910), (1265, 22328), (2024, 13955), (2530, 11164), (2791, 10120), (5060, 5582)]